We have put together a simple list of the primary Iowa state motorcycle laws to help you when traveling through Iowa on a motorcycle. These Iowa motorcycle laws where confirmed accurate as of the time of publishing and are provided to you as a reference only. For Iowa's complete motorcycle laws, please visit the Iowa state Motor Vehicle website.

Safety Helmet:

Not Required

Eye Protection:

Not Required

Passenger Age:

No Restrictions

Helmet Speakers:

No Restrictions

Mirrors:

One required by law

Headlight:

Daytime headlight required by law. Modulating headlight permitted.

Turn Signals:

Not Required

Handlebars:

No Restrictions

Muffler:

No acoustical criteria.

Noise Restrictions:

No acoustical criteria.

Riding Two Abreast in Lane:

Operation of motorcycles and motorized bicycles. Use of traffic lanes. Persons shall not operate motorcycles or motorized bicycles more than two abreast in a single lane. Except for persons operating such vehicles two abreast, a motor vehicle shall not be operated in a manner depriving a motorcycle or motorized bicycle operator of the full use of a lane.

Lane Splitting:

Use of traffic lanes. A motorcycle or motorized bicycle shall not be operated between lanes of traffic or between adjacent lines or rows of vehicles. The operator of a motorcycle or motorized bicycle shall not overtake and pass in the same lane occupied by the vehicle being overtaken unless the vehicle being overtaken is a motorcycle or motorized bicycle.

These state motorcycle laws very verified as current at the time they were published on this page. Some laws may have been changed or repealed and new laws may have be added. Check with state and/or local authorities for the most up to date laws and regulations.